[Event "Wijk aan Zee"]
[Site "Wijk aan Zee"]
[Date "2023.01.29"]
[Round "13.5"]
[White "Adhiban, B....."]
[Black "Warmerdam, Max"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2610"]
[BlackElo "2616"]
[Annotator "Mueller,Karsten"]
[SetUp "1"]
[FEN "8/R4kp1/6p1/3P3p/3N1P1P/4n2K/3r4/8 b - - 0 49"]
[PlyCount "7"]
[EventDate "2023.??.??"]
{[#]} 49... Ke8 {[#] A light initiative weighs heavily. This is the main
guideline in endgames with rook and knight against rook and knight. So here
White does not have more than a draw:} 50. Ne6 $4 {This runs into a mating
counterattack.} (50. Nf3 {[#] draws, e.g.} Rxd5 51. Rxg7 Nf5 52. Rxg6 Rd3 53.
Kg2 Rxf3 54. Kxf3 Nxh4+ 55. Kg3 Nxg6 56. f5 $11) 50... Nf1 51. Nxg7+ Kd8 52.
Ne6+ Kc8 (52... Kc8 53. Ra8+ Kb7 54. Ra1 Rh2#) 0-1
[Event "85th Tata Steel Challengers 2023"]
[Site "Wijk aan Zee"]
[Date "2023.01.29"]
[Round "13.7"]
[White "Supi, Luis Paulo"]
[Black "Mishra, Abhimanyu"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2608"]
[BlackElo "2559"]
[Annotator "Mueller,Karsten"]
[SetUp "1"]
[FEN "6k1/p4p2/4np1p/3R4/8/1r2P2P/4NPP1/6K1 w - - 0 40"]
[PlyCount "69"]
[EventDate "2023.??.??"]
{[#]} 40. Ng3 {[#] A light initiative weighs heavily. This is the main
guideline in endgames with rook and knight against rook and knight:} Ra3 $2 {
Black does not have time for this.} (40... a6 $1 {defends, e.g.} 41. Nh5 (41.
Rd7 Nc5 42. Ra7 Rb1+ 43. Kh2 Rb2 44. f4 Rb7 45. Ra8+ Kh7 46. Nh5 Ne4 47. Rxa6
f5 $11) 41... f5 42. Rxf5 Rb1+ 43. Kh2 Rb5 44. Nf6+ Kf8 45. Rf3 a5 46. e4 a4
$11) 41. Nh5 a5 42. Nxf6+ Kf8 43. g4 a4 44. Ra5 Ra1+ 45. Kg2 a3 46. Nd5 Ng5 47.
Ra8+ Kg7 48. Nc3 Ne6 49. Nb5 a2 50. Nc3 Rc1 51. Nxa2 Ra1 52. Ra5 Kh7 53. h4 Kg7
54. f4 (54. h5 $5 {is even better, e.g.} Kh7 55. Ra4 Nc5 56. Rc4 Nd3 57. Nc3
Rc1 58. Rc7 Ne5 59. f3 $18) 54... Re1 55. Ra3 $6 (55. Kf2 $18) 55... Ra1 56.
Ra5 Re1 57. Ra3 $6 (57. Kf2 Ra1 58. h5 Kf8 59. Kf3 Rf1+ 60. Ke4 Ra1 (60... Rg1
61. Nc3 Rxg4 62. Nb5 Ng7 63. Nd6 Rg1 64. Ra7 Nxh5 65. Rxf7+ $18) 61. Ra7 Kg7
62. Kf5 Re1 63. Ra3 Ra1 64. Ra5 Re1 65. Re5 $18) 57... Ra1 58. Kf3 $2 {[#] Now
the pin really hurts.} (58. Ra5 Re1 59. Kf2 Ra1 60. h5 $18 {wins as shown
above.}) 58... Rh1 $2 ({Black misses} 58... Nc7 $1 59. Ra4 (59. Ra5 Ne8 60. g5
Rf1+ 61. Kg2 Ra1 $11) 59... Nd5 60. e4 Rf1+ 61. Kg2 Rxf4 62. Kg3 Nb6 63. Kxf4
Nxa4 $11) 59. Kg3 Rg1+ (59... Ra1 60. g5 hxg5 61. hxg5 Nc7 62. Ra4 Nd5 (62...
Nb5 63. Kf2 $18) 63. Kf2 Rh1 64. Nb4 $18) 60. Kf3 Rh1 61. Ra5 Rh3+ 62. Kf2 Rxh4
(62... h5 {is met by} 63. g5 Rxh4 64. Kg3 ({However, not} 64. Nc3 $2 Nxf4 65.
exf4 Rxf4+ 66. Ke3 Rf1 $11) 64... Rg4+ 65. Kf3 Rh4 66. Nb4 Rh1 67. Nd5 Rf1+ 68.
Kg2 Re1 69. Kf2 Rb1 70. Nf6 h4 71. Ra8 Kg6 72. Kf3 Nxg5+ 73. fxg5 Kxg5 74. Ne4+
Kh6 75. Rh8+ Kg7 76. Rxh4 $18) 63. Kg3 Rh1 64. Nc3 Rg1+ 65. Kf3 Rf1+ 66. Kg2
Rc1 67. Ne4 Rc6 68. Kf3 Nc7 69. Ng3 $1 {[#] A strong regrounping targeting the
pawn h6.} Ra6 70. Rh5 Rg6 71. Nf5+ Kh7 72. g5 f6 73. Nxh6 fxg5 74. Nf5+ (74.
Nf5+ Kg8 75. Ne7+ Kg7 76. Nxg6 Kxg6 77. Rxg5+ $18) 1-0
[Event "85th Tata Steel Masters 2023"]
[Site "Wijk aan Zee"]
[Date "2023.01.27"]
[Round "11.4"]
[White "Praggnanandhaa R"]
[Black "Maghsoodloo, Parham"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2684"]
[BlackElo "2719"]
[Annotator "Mueller,Karsten"]
[SetUp "1"]
[FEN "8/R7/6pk/1p3p2/4pP1b/1B5P/6K1/2r5 w - - 0 42"]
[PlyCount "22"]
[EventDate "2023.??.??"]
{[#]} 42. Ra6 {[#] Opposite-colored bishops favor the attacker. Pure opposite
colored bishop endings have a large drawish tendency, but with rooks they
favor the attacker, like in the middlegame:} Rc3 $5 {Black is clearly winning.}
43. Be6 (43. Bf7 {is met by} Rc2+ 44. Kf1 Rf2+ 45. Kg1 e3 46. Rxg6+ Kh7 47. Re6
e2 $19) 43... Rc2+ 44. Kh1 Bf6 {Precisely calculated.} 45. Bd7 (45. Bxf5 {
is met by} gxf5 46. Rxf6+ Kg7 47. Rxf5 b4 {and the pawns win the rook by force,
e.g.} 48. Rb5 e3 49. Rxb4 e2 50. Rb1 Rd2 51. Rg1+ Kf6 52. Re1 Rd1 $19) 45...
Kg7 46. Bxb5 Rf2 47. Ra7+ Kh6 48. Ra6 Bd4 49. Be8 $6 (49. Rd6 {is more
tenacious, but also loses after} Bc5 50. Rd1 Kh5 $19) 49... e3 50. Rxg6+ (50.
Bxg6 e2 51. Re6 Bc3 $19) 50... Kh7 51. Rg1 e2 52. Bb5 Rh2+ {[#] A beautiful
final point.} (52... Rh2+ 53. Kxh2 Bxg1+ 54. Kxg1 e1=Q+ $19) 0-1
[Event "Tata Steel Challengers"]
[Site "Wijk aan Zee NED"]
[Date "2023.01.28"]
[Round "12.7"]
[White "Mishra, Abhimanyu"]
[Black "Pechac, Jergus"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2559"]
[BlackElo "2637"]
[Annotator "3700"]
[SetUp "1"]
[FEN "5r2/p3nk2/P2Rb3/1p1p3P/1P1B2P1/2P2K2/5P2/8 b - - 0 47"]
[PlyCount "46"]
[EventDate "2023.01.14"]
{[#]} 47... Rg8 48. Bxa7 $2 (48. h6 $1 Bxg4+ 49. Kf4 Bd1 50. h7 Rg4+ 51. Ke3
Rh4 52. Kd2 Rxh7 (52... Bg4 53. h8=Q $18) 53. Kxd1 Nc8 54. Rc6 Ne7 55. Rc7 $18)
48... Bxg4+ 49. Kf4 Bxh5 50. f3 Rg3 $2 (50... Nc8 51. Bb8 Ke7 52. Rc6 Rf8+ 53.
Ke5 Bxf3 54. a7 Nxa7 55. Rc7+ Kd8 56. Rxa7 Kc8 57. Bd6 Re8+ 58. Be7 Kb8 59. Rd7
Bg4 $11) 51. Bd4 $1 (51. Kxg3 $2 Nf5+ 52. Kf4 Nxd6 53. Ke5 Nc8 54. Bd4 Bxf3 $11
) 51... Rxf3+ 52. Kg5 Rf5+ 53. Kh4 Bd1 (53... Ng6+ 54. Kg3 Rf3+ 55. Kh2 Rf1 56.
a7 Ra1 57. Rd8 Ne5 58. a8=Q Rxa8 59. Rxa8 $18) 54. a7 Rh5+ 55. Kg3 Nf5+ 56. Kg2
Rg5+ 57. Kf1 $6 (57. Kf2 $18) 57... Nxd6 58. a8=Q Ne4 $6 (58... Bb3 59. Kf2 Rg6
60. Qd8 Ke6 61. Ke3 Bc2 62. Kf4 Bd1 63. Qc7 Bh5 64. Ke3 Kf5 65. Qh7 Bd1 66. Kf2
Bb3 67. Qh5+ Rg5 68. Qh3+ Rg4 69. Kf3 Bd1+ 70. Ke3 Nc4+ 71. Kf2 Kg5 72. Be3+
Kf6 73. Qh6+ Kf5 74. Qh5+ Ke6 75. Qe8+ Kf5 76. Qf7+ Ke4 77. Qh7+ Ke5 78. Bd4+
Ke6 79. Ke1 Nb2 80. Qh3 Ke7 81. Bc5+ Ke6 82. Qh6+ Kf5 83. Qh7+ Kg5 84. Qg7+ Kf5
85. Qf7+ Ke5 86. Bd4+ Rxd4 87. cxd4+ Ke4 88. Qg6+ Kf4 89. Qg2 $18 {[%CAl Rg2d5,
Rg2b2]}) 59. Qb7+ Kg6 60. Qxb5 Bb3 61. Qe8+ Kf5 62. Qf7+ Kg4 63. Kg2 Rf5 64.
Qe6 $6 (64. Qg6+ $5 Rg5 65. Qe8 $18) 64... Bd1 $6 (64... Bc4 65. Be3 Bf1+ 66.
Kh2 Nf6 67. Qd6 Rh5+ (67... Be2 68. Qg3+ Kh5 69. Kg1 Bd3 70. Qh2+ Kg6 71. Qg2+
Kh5 72. Qg3 $18) 68. Kg1 Rf5 69. Qb6 Bc4 70. b5 Rf3 71. Qe6+ Kg3 72. Qe5+ Kh3
73. Bf2 Bxb5 74. Qg5 Rxf2 75. Qe3+ Kg4 76. Kxf2 $18) 65. b5 Ng5 66. Qxf5+ $5
Kxf5 67. b6 Bf3+ 68. Kg1 Ne6 69. b7 Nxd4 70. cxd4 1-0
[Event "Tata Steel Challengers"]
[Site "Wijk aan Zee NED"]
[Date "2023.01.29"]
[Round "13.1"]
[White "Donchenko, Alexander"]
[Black "Ivic, Velimir"]
[Result "1-0"]
[ECO "D14"]
[WhiteElo "2627"]
[BlackElo "2585"]
[Annotator "3700"]
[SetUp "1"]
[FEN "8/r5pR/5p2/3p1k2/3P3P/8/5PP1/6K1 w - - 0 40"]
[PlyCount "29"]
[EventDate "2023.01.14"]
{[#]} 40. h5 Ra1+ $2 (40... Kg5 41. g3 (41. h6 Ra1+ 42. Kh2 gxh6 43. Rd7 Ra5
$11) (41. Kh2 Ra4 42. Rxg7+ Kxh5 43. Rf7 Kg6 $11) 41... Ra4 42. Rxg7+ Kxh5 43.
Rh7+ Kg5 44. Rh4 Ra1+ 45. Kg2 Ra4 $11) 41. Kh2 g6 (41... Kg5 42. Rxg7+ Kxh5 43.
Kg3 {[%csl Rh4][%CAl Gg3h4]} Rd1 44. Kf4 Rxd4+ 45. Kf5 Kh6 46. Rg6+ Kh7 47.
Rxf6 $18) 42. g4+ $1 Kg5 (42... Kxg4 43. hxg6 Ra8 44. Rf7 Kg5 45. g7 Rg8 46.
Kg3 Kg6 47. Rd7 Kh7 (47... Rxg7 48. Rxg7+ Kxg7 49. Kf4 Kg6 50. f3 Kg7 51. Kf5
Kf7 52. f4 Kg7 53. Ke6 Kg6 54. Kxd5 Kf5 55. Kc6 Kxf4 56. d5 $18) 48. Kf4 Ra8
49. Kf5 Ra6 50. Rxd5 Kxg7 51. Rd7+ Kf8 52. Kg6 Ke8 53. Rf7 Rd6 54. Rxf6 Rxd4
55. f4 Rd2 56. Kg7 Rg2+ 57. Rg6 $18) 43. Rg7 Kxg4 44. h6 Ra8 (44... Ra3 45.
Rxg6+ Kh5 46. Rxf6 $18 (46. h7 Kxg6 47. h8=Q $18)) 45. Rxg6+ Kf5 46. Rg7 Rh8
47. h7 Ke4 48. Kg3 Kxd4 (48... Kf5 49. Kh4 Kf4 50. Kh5 f5 51. Kg6 Kf3 52. Kxf5
Kxf2 53. Ke5 Ke3 54. Kxd5 $18) 49. Kf4 Kd3 50. Re7 d4 51. Kf5 Kc2 52. Kxf6 d3
53. Kg7 d2 54. Rc7+ 1-0
[Event "Tata Steel Challengers"]
[Site "Wijk aan Zee NED"]
[Date "2023.01.27"]
[Round "11.5"]
[White "Adhiban, Baskaran"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "2610"]
[BlackElo "2559"]
[Annotator "3700"]
[SetUp "1"]
[FEN "3k4/6p1/2b5/p1N5/Pp6/8/1PP1Kp1P/8 w - - 0 40"]
[PlyCount "68"]
[EventDate "2023.01.14"]
{[#]} 40. Kxf2 Ke7 $2 (40... Kc7 41. Ke3 (41. Ne6+ Kb6 42. Nxg7 Bxa4 43. b3 Bb5
44. h4 a4 45. bxa4 Bxa4 46. h5 Bxc2 $11) 41... Be8 42. Kd4 Kb6 43. b3 Bg6 44.
Nd3 Bf5 45. h4 Kc6 46. Ne5+ Kb7 47. c3 bxc3 48. Kxc3 Kb6 49. b4 axb4+ 50. Kxb4
Ka6 $11) 41. b3 $2 (41. Ke3 $1 Kf6 (41... Kd6 42. Kd4 g6 (42... Be8 43. Nb7+
$18) (42... Bf3 43. Nb3 Bc6 44. Nxa5 Bxa4 45. Nc4+ Ke6 46. b3 Bb5 47. Ne5 Be2
48. Nd3 $18 {[%CAl Rd3b4]}) 43. b3 Bf3 44. Nd3 Bd1 45. Nb2 Bxc2 46. Nc4+ Kc6
47. Nxa5+ Kb6 48. Nc4+ Kc6 49. Nd2 Kb6 50. Kc4 Ka5 51. Kc5 Bd1 52. Nc4+ $18)
42. Kd4 Kf5 43. b3 Kg4 44. Nd3 Kh3 45. Kc5 Ba8 46. Kb5 Kxh2 47. Kxa5 g5 48.
Kxb4 g4 49. a5 g3 50. Nf4 $18 {[%csl Ra5,Rb3,Rc2,Rg2][%CAl Gf4g2]}) 41... Kd6
42. Nd3 Be4 43. Ke3 (43. Nb2 Bxc2 44. Nc4+ Kc5 45. Nxa5 Be4 46. Nc4 Bd5 47. Nd2
Kd4 48. Ke2 Kc3 49. a5 Bb7 $11 {[%csl Ra6][%CAl Gb7a6]}) 43... Kd5 44. Nf4+ Ke5
45. Nd3+ Kd5 46. Kd2 Kd4 47. Nf4 Ke5 48. Nh3 Bd5 49. Ng1 g5 50. Nh3 g4 51. Nf2
Kf4 52. Ke2 Bc6 53. Nd3+ Ke4 54. Nf2+ Kf4 55. Nd3+ Ke4 56. Nb2 Bd5 57. Nd1 Kd4
58. Kd2 Be6 59. Nf2 Bf5 60. Nh1 Be4 61. Nf2 Bf5 62. Nd3 Ke4 63. Ke2 Kd4 64. Kd2
Ke4 65. Ne1 Kd4 66. Ng2 Ke4 67. Ne3 Be6 68. Ke2 Kd4 69. Kf2 Ke4 70. Nf1 Kd4 71.
Ne3 Ke4 72. Ng2 Kd4 73. Ne3 Ke4 1/2-1/2
